| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [am/are] [v-ing] at the | 32 |
|
| 2 | they [am/are] [v-ing] [adv prt] the | 32 |
|
| 3 | [am/are] [v-ing] [adv prt] at the | 23 |
|
| 4 | they [am/are] [v-ing] [adv prt] at | 20 |
|
| 5 | they [am/are] [adv prt] at the | 7 |
|
